Why won't my girlfriend change her Facebook relationship status back?

Before anyone says anything, I know, this is dumb and Facebook is dumb. However me and my girlfriend of 5+ months got into an argument weeks ago and she changed her relationship status on Facebook to single. We patch everything up the next day and everything has been great since then but she never reset her status back to in a relationship.

I know this is stupid and I honestly wouldn't have cared about this at all at the beginning of our relationship but she wanted to have it like that on Facebook so I agreed. Now that it doesn't say that and we are still dating, I feel like its kinda weird that we had it before and now we don't. I haven't changed it or talked to her about it because I dont want to push the issue or make something out of nothing. Ideally I'd like her to change it back with me but it's no biggie if it doesn't.

Any thoughts on the situation, what I should do and how I can talk to her about it without it being weird at all?

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